import React, {Component} from 'react'
import {Route, Switch} from "react-router-dom";
import Home from "./page/Home/Home";
import About from "./page/About/About";
import MyNavLink from "./components/MyNavLink/MyNavLink";

export default class App extends Component {

    render() {
        return (
            <div>
                <div className="row">
                    <div className="col-xs-offset-2 col-xs-8">
                        <div className="page-header"><h2>React Router Demo</h2></div>
                    </div>
                </div>
                <div className="row">
                    <div className="col-xs-2 col-xs-offset-2">
                        <div className="list-group">
                            {/*原生html中，靠<a>跳转不同的页面*/}
                            {/*<a className="list-group-item active" href="./about.html">About</a>*/}
                            {/*<a className="list-group-item" href="./home.html">Home</a>*/}

                            {/*在React中靠路由链接实现切换组件*/}
                            <MyNavLink to="/about">About</MyNavLink>
                            <MyNavLink to="/home/a/b">Home</MyNavLink>
                        </div>
                    </div>
                    <div className="col-xs-6">
                        <div className="panel">
                            <div className="panel-body">
                                {/*注册路由Switch 匹配路由从上往下只会匹配第一个*/}
                                {/*exact={true} 开启严格匹配 不建议开启*/}
                                <Switch>
                                    <Route exact={true} path="/about" component={About}/>
                                    <Route exact={true} path="/home" component={Home}/>
                                </Switch>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        )
    }
}

